On Thu, 10 Jun 2021 17:29:49 +1000, Michael Ellerman wrote: > When delivering a signal to a sigaction style handler (SA_SIGINFO), we > pass pointers to the siginfo and ucontext via r4 and r5. > > Currently we populate the values in those registers by reading the > pointers out of the sigframe in user memory, even though the values in > user memory were written by the kernel just prior: > > [...]
Applied to powerpc/next. [1/1] powerpc/signal64: Don't read sigaction arguments back from user memory https://git.kernel.org/powerpc/c/a3309226454a7e76d76251579c1183787694f303 cheers